Mordekaiser, Iron Revenant

Mordekaiser can't be blocked by more than one creature.
When Mordekaiser enters the battlefield, destroy target creature.
Whenever a creature your opponent controls dies,
put a +1/+1 counter on Mordekaiser.
Escape—{4}{b}{b}{b}, Exile five other cards from
your graveyard.
Mordekaiser escapes with a +1/+1 counter.